In a video posted to YouTube, the strands are seen appearing and disappearing during a demonstration in Mr Aliev's lab.

发布在You Tube上的一个视频展示了阿利耶夫在实验室里让这些细线出现以及消失的景象。

youdao

As long as you don't overuse it, it taps directly into the keen sense of awareness for objects appearing and disappearing.

只要别过度使用，它可以直接让用户感受到对象的出现和消失。

youdao

In an experiment, they have managed to capture some of the photons that are constantly appearing and disappearing in the vacuum.

在一项实验中，他们设法捕捉到了一些在真空里持续出现和消失的光子。

youdao

The upshot is that pairs of virtual phonons are appearing and disappearing all the time, and if one gets trapped inside a supersonic boundary, the other should be released into the wider world to make a noise.

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Her offensives were often scattershot, appearing at one rally and disappearing at the next.

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The problem is that for many large firms, systemic risk is a matter of exogenous events, sort of like comets which originate outside the normal operations of the solar system, suddenly appearing, flashing across the sky and then disappearing.

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